The M-DISC uses a patent rock-like recording surface instead of organic dye to etch your data onto a disc. The M-DISC has been tested and proven to outlast standard DVDs currently on the market. Burn more discs in less time with 8x DVD-Max writing speed. LG Super Multi Compatibility optical drives can read and write different types of disc formats in one convenient package. Enjoy complete freedom in use with compatible support for Windows 10 and MAC OS. The overall slim design of only 0.55 inches high optimizes space for the slim OPU installation. It allows for a sleek companion to thin Ultrabooks and enhanced portability.